public IQueryable <IDalAppFolder> GetByPredicate(Expression <Func <IDalAppFolder, bool> > f)
 {
     return(_context.Set <AppFolder>().Select(DalMappersExpressions.ToDalAppFolderExpression()).Where(f));
 }
 public IQueryable <IDalAppFolder> GetAll()
 {
     return(_context.Set <AppFolder>().Include("Files").Include("User").Select(DalMappersExpressions.ToDalAppFolderExpression()));
 }